From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2066) id B87673835811; Mon, 14 Jun 2021 03:28:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B87673835811 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Jiu Fu Guo To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/guojiufu/heads/personal-branch)] only +-1 X-Act-Checkin: gcc X-Git-Author: Jiufu Guo X-Git-Refname: refs/users/guojiufu/heads/personal-branch X-Git-Oldrev: 367745b8709bba39b06dd1010b7beb0ad0926bc9 X-Git-Newrev: 0c0e2a8eb33119e7f92dc18a7070b039467f72f1 Message-Id: <20210614032818.B87673835811@sourceware.org> Date: Mon, 14 Jun 2021 03:28:18 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jun 2021 03:28:18 -0000 https://gcc.gnu.org/g:0c0e2a8eb33119e7f92dc18a7070b039467f72f1 commit 0c0e2a8eb33119e7f92dc18a7070b039467f72f1 Author: Jiufu Guo Date: Mon Jun 14 11:27:46 2021 +0800 only +-1 Diff: --- gcc/testsuite/gcc.dg/loop-split1.c | 2 +- gcc/tree-ssa-loop-split.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/testsuite/gcc.dg/loop-split1.c b/gcc/testsuite/gcc.dg/loop-split1.c index 0276b58d90a..be8ea071371 100644 --- a/gcc/testsuite/gcc.dg/loop-split1.c +++ b/gcc/testsuite/gcc.dg/loop-split1.c @@ -155,4 +155,4 @@ find_skip_diff (char *p, char *q, unsigned n, unsigned i) return i; } -/* { dg-final { scan-tree-dump-times "Loop split" 11 "lsplit" } } */ +/* { dg-final { scan-tree-dump-times "Loop split" 13 "lsplit" } } */ diff --git a/gcc/tree-ssa-loop-split.c b/gcc/tree-ssa-loop-split.c index 9b4770736c9..b247afd51a1 100644 --- a/gcc/tree-ssa-loop-split.c +++ b/gcc/tree-ssa-loop-split.c @@ -1728,7 +1728,7 @@ analyze_idx_elements (class loop *loop, edge e, idx_elements &data) if (rhs_code != PLUS_EXPR) return false; tree step = gimple_assign_rhs2 (stmt); - if (TREE_CODE (step) != INTEGER_CST) + if (!integer_minus_onep (step) && !integer_onep (step)) return false; inc_stmt = stmt; tree prev = gimple_assign_rhs1 (stmt);